{ "metadata": { "device_simulation": "iPhone 17 Pro front camera", "goal": "Generate hyper realistic selfies that look authentically captured on an iPhone 17 Pro", "output_type": "photograph", "confidence_level": "high" }, "camera_system": { "lens": { "focal_length": "26mm equivalent", "aperture": "f1.8", "distortion_profile": "subtle barrel distortion consistent with iPhone front lens", "depth_estimation": "TrueDepth engine simulation for accurate facial depth mapping", "flare_behavior": "natural micro lens flare on bright edges" }, "sensor": { "resolution": "24MP fused sensor output", "hdr_engine": "Smart HDR 7 tone mapping with multi-frame fusion", "noise_profile": { "shadows": "mild natural noise typical of iPhone front camera", "midtones": "clean but not plastic", "highlights": "subtle highlight rolloff without clipping" }, "color_filter_array": "Apple proprietary wide-gamut color CFA simulation", "dynamic_range": "high with realistic Apple-style tone balancing" } }, "lighting_simulation": { "source_type": "natural or artificial depending on user request", "lighting_quality": "soft directional with realistic shadow gradients", "shadow_properties": { "edge_quality": "soft, feathered edges", "density": "medium natural density consistent with indoor or outdoor lighting", "placement": "accurate to chosen selfie angle" }, "highlight_properties": { "treatment": "preserved highlights with gentle rolloff", "skin_reflectance": "micro specular highlights on nose, forehead, and cheekbones" }, "ambient_fill": "subtle fill typical of iPhone image signal processing", "temperature": "neutral to warm depending on environment" }, "subject_rendering": { "face": { "skin_texture": { "pores": "visible but naturally soft", "imperfections": "micro blemishes, subtle unevenness, soft facial hair", "realism_requirements": "no glam smoothing, no plastic look, no AI-perfect surfaces" }, "facial_contours": "accurate TrueDepth mapped curvature with natural shadow falloff", "expression": "user chosen mood (confident, relaxed, candid, playful)", "eye_detail": { "reflections": "micro reflections consistent with light direction", "sharpness": "high fidelity with natural contrast" } }, "hair": { "strand_detail": "fine strand rendering with natural irregularities", "flyaways": "slight but realistic", "volume": "natural density based on reference", "lighting_interaction": "soft sheen with natural specular highlights" }, "hands_and_arms": { "selfie_arm_position": "natural arm extension consistent with front-camera selfies", "perspective_d